Attachment for laundry-extractors.



R. M. MOORE.

ATTACHMENT FOR LAUNDRY BXTRAOTORS..

APPLICATION FILED MAY2,1910

Patented Jan. 23, 1912.

2 SHEETSSHEET 1 ad/ INVENTOR.

31 R06 61 W/fin'on M001 9.

WITNESSES:

O/ffi R. M. 003 ATTACHMENT FOR LAUNDRY EXTRAOTORS.

APPLICATION FILED MAY 2, 1910.

1,01 5,392. Patented Jan. 23, 1912.

2 SHEETS-SHEET 2.

WITNESSES: IN VEN TOR.

3 h 1 Habert/Vaflun Maura.

ROBERT MARION MOORE, OF GALVESTON, TEXAS.

ATTACHMENT FOR LAUNDRY-EXTRACTORS Specification of Letters Patent.

Application filed May 2, 1910. Serial No. 558,934.

To all whom it may concern;

Be it known that I, Ronnn'r MARION Moonn, citizen of the United States,residing at Galveston, in the county of Galveston and State of Texas,have invented cer tain new and useful Improvements in Attachments forLaundry-Extractors, of

Y which the following is a specification.

My invention relates toa new-and improved time cut-off and brakeattachment for laundry extractors.

Owing to the high speed atwhich the extractors in laundries areoperated, accidents frequently occur .due to the operator attempting tostop the machine by using the foot brake and misjudging the speed of theextractor basket.

The present invention has for its object the avoidance ofthis risk byproviding antomatic means for throwing off the power and applying thebrake,

A further object is to provide an attachment such as will be adapted tooperate after the machine has run for a certain length of time,eliminating the necessity on the part of the operator of constantlywatching the clock in order to properly time the period of operation.

Finally the object of the invent-ion is to provide a device of thecharacter described that will be strong, durable, simple andefiicient,and of comparatively simple construction, such as will not be likely toget out of working order.

With these and various other objects in view, my invention has relationto certain novel features of construction and" operation, an example ofwhich is described in the following specification and illustrated in thaccompanying drawings, wherein:

- Figure 1 is a side elevation of a laundry extractor provided with theherein described improved attachment, the lower portion of the extractorbeing broken away to show the construction therebehind. Fig 2 is a planview of the same. Fig. 3 is an elevation at right angles to that shownin Fig.2. Fig. 1 is a detail view of a dialemployed in the invention. inconjunction with a rotating trip lever to limit the period of operation.Fig. 5 is a detail viewof a latch, the function of which is made clearhereinafter. Fig. 6 is a rear elevation of the rotatable trip leverwhich travels about the dial shown in Fig. 4, the functions of said triplever being also made clear in the following specification.

Referring now more particularly to the drawing wherein like numerals ofreference designate similar parts in all the figures, the numeral 1denotes the curb or stationary receptacle of the extractor, and 2 thebasket which receives the clothes, adapted to rotate within saidreceptacle. From one side of the basket 2, a shaft 3 extends downwardly,said shaft being provided with a pulley t upon its lower extremity.Rotation may be communicated to the pulley 4 from a pulley 5 by. meansof a belt 6 running over idler pulleys 7. The pulley 5 is mounted upon ahorizontal shaft 8 which is provided with a fast and a loose pulley, 9and 10, respectively. In order to shift the driving belt from one of thepulleys 9 and 10 to the other, there is provided a shift rod 11 uponwhich are mounted belt guides 12, between which the driving belt isadapted to pass. The rod 11 is provided-at one extremity with a handle13 by which it may be manually shifted, and at the other extremity aspring 1 1 is mounted upon said rod normally holding it in sucha'position as to hold the driving belt upon the loose pulley 10, and aspring latch 15 mounted adjacent to the rod 11 near the forward portionthereof is adapted to enter a notch 16 in said rod when the latter isthrown. forward placing the spring 14 under tension. The driving beltwill thus be transferred from the loose pulley 10 to the fast pulley 9,setting the machinery in operation and maintaining this operation untilthe latch 15 is withdrawn fromv the notch 16, permitting the spring 1 1to displace the belt shift rod. Upon the outer extremity of the shaft 8a worm 17 is provided, which worm meshes with a worm wheel 18 fast upona spindle 19. The spindle 19 carries a worm 20 adapted to operate a wormwheel 21. The worm wheel 21 is fast upon one extremity of a horizontalshaft 22, which will rotate at a very slow speed owing to the reductionof velocity produced by the two sets of worm gearing. It is intendedthat the shaft 22 Patented Jan. 23, 1912.

make approximately 1 revolution in thirty minutes. Upon the otherextremity of the shaft 22 is mounted a trip lever 23 adapted to travelaround the stationary dial 24.

Before starting the machine the position of the trip-lever 23 upon thedial 24 may be adjusted where desired by loosening the wing nut 25 bywhich said trip lever is made fast. Upon the outer extremity of thetriplever 23 there is provided a beveled pin 26 which is adapted-tocontact once in each revolution with the spring latch 15, producingdisplacement of said latch, and releasing the shift rod 11. The dial 24is provided with two scales of figures, the outer scale being intendedfor reference when the said shaft 22 is making 1 revolution in 30minutes, and the inner scale when said shaft is making a revolution in25 minutes. The velocity of the shaft 22 will of course depend upon thevelocity communicated to the pulley 9-by the driving belt. The dial 24will bemounted with the zero points of its two scales directly oppositethe spring latch 15. Before starting the machine the trip lever 23 willbeset with the pin 26 opposite thenumeral which indicates the number ofminutes desired to run, this numeral being upon the outer scale if theshaft 22 is making a revolution in 30 minutes, and upon the inner scaleif it is making a revolution in 25 minutes. When the rod 11 is shifted,placing the belt upon the pulley 9 the machine will continueto operateuntil the trip .lever 23 revolves; from its position of adjustment'tothe zero point where it will contact with the springgla'tch 15,displacing the same from the .notch 16, thus cutting off the powen?vUpon:the shift rod.11, is mounted a small-clapper 27 which is adaptedto strike a bell 28 when1thesaid rod is rearwardly displaced, throwingthe driving belt on the loose pulley. The operator will thus be givennotice of the stopping of'the machine.

The pulley 4 is adapted to be acted upon by a brake shoe 29 fast upon arod 30. The rod 30 is horizontally mounted in a bracket 31 and carries acoiled spring 32 which tends to hold the brake shoe normally out ofcontact with the-pulley. An arm 33 pivoted uponthe-base'o'f theextractor is adapted to bear upon the brake' shoe, forcing the same intocontact with the pulley 4. A lever 34 fast upon a spindle 35 has itsforward extremity bearing against the arm 33 in such a manner that whenthe said forward extremity is raised the arm 33 is thrust forward,applying the brake shoe to the pulley 4. A forwardly projecting lever 36has its rear extremity fast upon the spindle 35, and is provided with afoot plate 37 upon its forward extremity. By forcing this foot leverdown a partial rotation is imparted to the spindle 35, causing theforward extrem- 1ty of the lever 34 to be lowered, and releasing thebrake. The rear extremity of the lever 34 is connected by a link 38 withthe lower extremity of a vertical rod 39. This rod is adapted to undergovertical adjustment in guides 40 mounted upon an elongated stationaryplate 41. Near its upper extremity the rod 39 is provided with atransverse notch 42, which notch is adapted to receive a spring latch43, thus maintaining the rod 41 in an elevated position. The latch 43 isadapted to be released by the rearward motion of the belt shift rod 11,said shift rod being provided with a tri blade 44, having a curvedsurface adapted to deflect the latch 43 horizontally. The latch 43 isprovided with a vertical arm 46 against which the trip plate bears asthe trip lever is rearwardly displaced. A groove 45 is provided in theunderside of the trip lever, through which groove the portion 46 of thetrip lever 43 passes when the trip lever has reached its rearward limitof travel. The trip plate 44 thus temporarily removes the spring latch43 from the notch 42 in the rod 39, and immediately after the rod 39 hasdropped the latch 43 is agairfreleased.

In setting the machine into operation the operator first throws off thebrake by pressing downward on the foot lever 37. This produces a partialrotation of the spindle 35, relaxing the upward pressure brought to bearupon the arm 33 by the forward extremity of the lever 34, and causingthe rod 39-to be elevated to such a height that the latch 43 engages thenotch 42. The brake is thus prevented from acting until the latch 43 isreleased. The operator now pulls the belt shift rod 11 forward, throwingthe belt on the driving pulley 9 and causing the latch 15 to engage thenotch 16. The machinery is thus set into operation and contin-ues tooperate until the latch 15 is released. The operator may now direct hisattention to other matters until the trip lever 23 has traveled from itsposition of first adjustment to the zero point, where it will encounterthe spring latch 15 and disengage the same from the notch 16. Owing tothe expansion of the spring 14 the belt shift rod 11 will now berearwardly displaced, throwing the belt from the driving pulley 9 ontothe loose pulley 10, and at the same time causing the spring latch 43 tobe released. The power will thus be cut off from the machine and at thesame time the rod 39 will drop causing the brake to be applied to thepulley 4.

It is obvious that the hereindescribed time cut-ofi' and brake'mechanismmight be applied to other machines than laundry extractors withoutdeparting from the spirit of the invention or sacrificing itsadvantages. Also various changes might be made in the form andproportion 'of the parts and details without altering the principles ofmy invention. I therefore reserve the right to make such changes andalterations in this device as fairly come within the scope of thefollowing claims:

What I claim is:

1. In a device of the character described the combination with thedriving shaft of a machine, of afast andaloose pulley adjacent upon saidshaft, a belt shift rod mounted adjacent to said pulleys transverselythereof, belt guides secured to said shift rod, a spring acting uponsaid rod tending to hold the belt/guides'normally opposite to the loosepulley, means adapted to hold the shift rod against the action of saidspring with the belt guides opposite to the fast pulley a revoluble triplever adapted to contact with the aforesaid means and release the same,mechanism by which a rotation may be communicated to said trip leverfrom the power shaft, a trip blade secured to the belt shift rod, a rodadapted to undergo vertical displacement provided with a transversenotch, a spring latch adapted to engage in the notch of the aforesaidrod and adapted .to be released by the aforesaid trip blade, a brakeadapted to retard the operation of the machine, and mechanism forapplying said brake adapted to be operated by the falling of theaforesaid vertical rod.

2. In a device of the character described the combination with thedriving shaft of a machine, of a fast and a loose pulley adjacent uponsaid shaft, a belt shift rod mounted adjacent to said pulleys trans--versely thereof and provided with a transverse notch, belt guidescarriedby said rod, a coiled spring upon said rod tending to hold it positionedwith the belt guides normally opposite to the loose pulley, a springlatch adapted to enter said notch in the shift rod, holding said rodwith the belt guides opposite the fast pulley, a revoluble trip leveradapted to contact with said spring latch and displace the same from thenotch, a stationary dial about which said trip le-' ver travels, and amechanism adapted to impart a rotation of reduced velocity to said leverfrom the power shaft.

3. In a device of the character described the combination with thedriving shaftof a machine of a fast and a loose pulley adjacent yacentto said pulleys transversely thereof,

said rod being provided with a transverse notch, a pair of belt guidescarried by said rod, a coiled spring mounted upon said rod tending tohold the same normally .in a

position such that the belt guides are opposite to the loose pulley, aspring latch adapted to engage said notch to hold the shift rod againstthe action of said' spring in a position such that the belt guides areopposite to the fast pulley, a revoluble't-rip that the belt guides areopposite to the loose upon said rod, a belt shift rod mounted ad:

lever adapted to contact with said spring latch and displace the samefrom the notch, a dial traveled by said trip lever, mechanism adapted toimpart a rotation of reduced velocity from the driving shaft to saidtrip 79 lever, a brake adapted to retard the operation of the machinery,and a mechanism causing said brake to be set by a displacement of saidshift rod from the fast pulley toward'the loose one. a

4. Ina device of the character described the combination with thedriving shaft of a machine, of a fast and a loose pulley adjacent uponsaid shaft, a belt shift rod mounted adjacent to said pulleystransversely thereof, said rod being provided with a transverse notch, apair of belt guides carried by said rod, a coiled spring upon said rodtending to holdthe samein a position such pulley, a spring latch adaptedto engage the notch of the shift rod, holding this rod against theaction of said springinaposition so that the belt guides are opposite tothe fast pulley, a revoluble trip lever adapted to contact with saidspring latch and displace the same from said notch, a mechanism adaptedto communicate a rotation of re'-' duced velocity from the driving-shaftto said trip-lever, a dial traveled by saidrtrip' lever, a brake adaptedto retard the operation of the machine, a mechanism adapted to set saidbrake, a vertica rod having a transverse notch in its upper portion,said rod being adapted to undergo vertical displace ment and to set saidbrake when allowed to drop, a spring latch adapted to engage the notchof said rod, and a trip blade carried by the shift rod adapted todisplace said spring latch from the notch. V

5. In a device of the character described, the combination with thedriving shaft of a machine, of arod slidably mounted parallel. y to saidshaft, means for establishing com munication of rotation to the shaft,means i I carried by the rod, engaging the last named means and adaptedto setup or interrupt the communicatlon of rotation when the rod isadjusted longitudinally, a spring acting upon said rod tending to holdit normally in such a position as to interrupt communication ofrotation, means adapted tohold'the rod against the action of said springin a position to maintain communication of rotation, a revoluble triplever adapted to contact with the last named means andrelease the same,mechanism by which a rotation may be communicated to said triplever fromthe power shaft, a trip blade securedto -the rod, a rod adapted toundergo ver-v tical displacement provided with a trans verse notch, asprin'g'lat'ch adapted to en-- gage in the notch of the aforesaid rod,and adaptedto be released by the aforesaid trip blade, a brake adaptedto retard theopera-- tion of the machine, and mechanism for applyingsaid brake adapted to be operated by the falling of the aforesaidvertical rod.

6. In a device of the character described, the combination with thedriving shaft of a machine, of a rod slidably mounted parallel to saidshaft, means adapted to establish a communication of rotation to theshaft, means carried by the rod engaging the last named means andadapted to interrupt the communication of rotation through longitudinaladjustment of the rod, a spring coiled upon said rod tending to hold itnormally in a position to interrupt the communication of rotation, aspring latch adapted to enter a notch in the shift rod, holding said rodin a positionadapted to establish communica tion of rotation to thedriving shaft, a revoluble trip lever adapted to contact with saidspring latch and displace the same from the notch, a stationary dialupon which said trip lever travels, and a mechanism adapted to impart arotation of reduced velocity to said lever from the power shaft.

7. In a device of the character described, the combination with thedriving shaft of a machine, of a rod slidably mounted parallel to saidshaft, means adapted to establish a communication of rotation to theshaft, means carried by the rod engaging the last named means andadapted to interrupt the communication of rotation through alongitudinal adjustment of the rod, a coiled spring mounted upon saidrod adapted to hold the same normally in such a position that thecommunication of rotation is interrupted, a spring latch adapted toengage in a notch in the rod and hold the same against the action of thespring in a position to establish communication; of'rotation, arevoluble trip lever adapted to contact with the spring latch anddisplace the same from the notch, a dial traveled by the trip lever, amechanism adapted to impart rotation of a reduced velocity from thedriving shaft to the trip lever, a brake adapted to retard the operationof the machinery, and a mechanism causing said brake to be applied by adisplacement of the rod in such a direction as to interrupt acommunication of rotation.

8. In a. device of the character described, the combination with thedriving shaft of a machine, of a rod slidably mounted parallel to saidshaft, means adapted to establish communication of rotation to theshaft, means carried by the rod engaging the last named means andadapted to interrupt the communication of rotation through alongitudinal displacement of the rod, a spring coiled upon said rodtending to hold the same in such a position as to prevent thecommunication of rotation to the driving shaft, a spring latch adaptedto engage a notch in the rod and thus hold the rod against the action ofsaid spring in a position such that communication of rotation isestablished te the driving shaft, a revoluble trip lever adapted tocontact with said spring latch and displace the same from the notch, amechanism adapted to communicate a rotation of reduced velocity from thedriving-shaft to said trip-lever, a dial traveled by the trip lever, abrake adapted-to retard the operation of the machine, a mechanismadapted to set said brake, a vertical rod having a transverse notch inits upper portion, said rod being adapted to undergo verticaldisplacement, and to set said brake when allowed to drop, a spring latchadapted to engage the notch of said rod, and a trip blade carried by theshift rod adapted to displace said spring latch from the notch.

9. In a device of the character described, the combination with thedriving shaft of a machine, of a fast and a loose pulley adjacent uponsaid shaft, a belt shift-rod mounted adjacent to 'said pulleys,transversely thereof, said rod being provided with a transverse notch, apair of belt guides carried by said rod, a spring acting upon said rod,tending to hold the same in a position such that the belt guides areopposite to the loose pulley, a spring latch adapted to engage the notchof the shift-rod, holding this 'rod against the action of said spring,in a position such that the belt guides are opposite to the fast pulley,a revoluble triplever adapted. to contact with said spring latch, and todisplace the same from said notch, a dial traveled by said trip-lever, abrake adapted to retard the operation of the machine, said brake beingslidably mounted, a spring acting on said brake tending to hold it in aninoperative position, a pivoted arm adapted by angular displacement toapply the brake, a rockshaft mounted adjacent to said pivoted arm, apair of levers projecting rigidly from said rock-shaft in oppositedirections, one of which levers is adapted to produce angulardisplacement of the pivoted arm when the rock-shaft is rocked, avertical rod, with the lower extremity of which the other of said levershas pivotal connection, said rod being adapted to undergo verticaldisplacement and to drop when unsupported, aresilient means adapted tosupport said vertical rod in a raised position, and a trip-blade carriedby the shift rod adapted to displace said resilient means duringdisplacement of the shift-rod from the fast toward the loose pulley.

10. In a device of the character described, the combination with thedriving shaft of ,a machine, of a rod slidably mounted parallel to saidshaft, means adapted to establish communication of rotation to theshaft, means carried by the rod engaging the last named means andadapted to interru t the communication of rotation through aongitudinaldisplacement of the rod, a spring shaft, a spring latchadapted to engage the rod and hold the same against the action of's'aid'sprin in a position such that communication 0% rotation is establishedto'the driving shaft, a revoluble trip-lever adapted to contact withsaid spring latch and displace the same from engagement with the rod, adial traveled by the trip-lever, a slid ably mounted brake adapted toretard the operation of the machine, a sprin acting upon said braketending to hold t e same in an inoperative position, a pivoted armadapted by angular displacement to apply the brake, a rock-shaft mountedadjacent to said pivoted arm, a pair of levers projecting rigidly fromsaid shaft in op osite directions, one of which levers is a apted toproduce angular displacement of the pivoted arm when the rock-shaft isrocked, a vertical rod with the lower end of which the other of saidlevers has pivotal connection, said rod being adapted to undergovertical displacement, and to drop when un supported, a resilient meansadapted to sup port said vertical rod in a raised position, and atrip-blade carried by the shift-rod adapted to displace said resilientmeans during a; displacement of the,shift-rod,such as will discontinuecommunication of rotation to the driving shaft.

In testimony whereof have signed my name to this specification in thepresence of two subscribing witnesses.

.. ROBERT MARION MOORE.

Witnesses:

D. J. MURPHY, OSCAR TEMPLETON.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of latents,

' Washington, D. 0. e

